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SUNDAY MINE COMPLEX- HYDROGEOLOGIC REPORT <br /> There is no indication that up or downgradient groundwater has become contaminated as a result of <br /> mining activities. In a saturated condition, the naturally occurring dissolved constituents associated <br /> with the uranium and vanadium ore zones would be expected to be present in downgradient <br /> locations as a result of natural groundwater leaching and flow from the SMC area over geologic time. <br /> However, existing data appear to indicate that most of the mine workings have not been in a <br /> saturated condition since mining began.With the deeper workings penetrating the confined area of <br /> the Top Rim, areas not previously saturated will become saturated up to the static potentiometric <br /> level. If the mines were to remain inactive, groundwater chemistry in the flooded workings would, at <br /> least to some degree, reflect constituents present in the mineralized zones. This is not of great <br /> consequence since the Top Rim unit is of low permeability (an aquitard), Salt Wash groundwater is <br /> not and will likely not be used in the future in Disappointment Valley, and potential travel times to the <br /> Dolores River are exceedingly long. <br /> Any mine water that is to be pumped out of the mines will likely exceed BSGW standards and require <br /> some level water treatment prior to being used for crop irrigation, disposal in an evaporation pond, or <br /> discharge to waters of the state. <br /> Western Water& Land, Inc. 56 <br />